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Finding the Fourth Proportional to 54,473.55, 81,715.03 and 15,030.66

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Solution

The fourth proportional to 54,473.55, 81,715.03 and 15,030.66 is: 22,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.55 : 81,715.03 = 15,030.66 : x
  2. Step 2: Convert to fraction form
    54,473.55/81,715.03 = 15,030.66/x
  3. Step 3: Cross multiply
    54,473.55x = 81,715.03 × 15,030.66
  4. Step 4: Simplify right side
    54,473.55x = 1,228,231,196.79
  5. Step 5: Solve for x
    x = 1,228,231,196.79/54,473.55
  6. Step 6: Final answer
    x = 22,547.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.